CN203291911U - Crushing gap adjusting device for impact crusher - Google Patents
Crushing gap adjusting device for impact crusher Download PDFInfo
- Publication number
- CN203291911U CN203291911U CN2013203125739U CN201320312573U CN203291911U CN 203291911 U CN203291911 U CN 203291911U CN 2013203125739 U CN2013203125739 U CN 2013203125739U CN 201320312573 U CN201320312573 U CN 201320312573U CN 203291911 U CN203291911 U CN 203291911U
- Authority
- CN
- China
- Prior art keywords
- broken
- counterattack
- liner plate
- oil
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002828 fuel tank Substances 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 13
- 239000003921 oil Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000010720 hydraulic oil Substances 0.000 abstract description 5
- 238000005065 mining Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 240000000800 Allium ursinum Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
Abstract
The utility model discloses a crushing gap adjusting device for an impact crusher, and belongs to the technical field of mining machinery. The crushing gap adjustment device comprises a lining board arranged at the periphery of a rotor of the impact crusher; one end of the lining board is hinged to the machine body of the impact crusher; the other end of the lining board is connected with a piston rod of a hydraulic cylinder; the hydraulic cylinder is connected with a hydraulic pump through a three-position four-way manual reversing valve; the oil inlet of the three-position four-way manual reversing valve is connected with the hydraulic pump; the oil return opening of the three-position four-way manual reversing valve is connected with an oil tank; an overflow valve used for protecting the hydraulic cylinder with overburden is arranged between the hydraulic pump and the oil tank; a filter is arranged between the oil tank and the hydraulic pump. Therefore, hydraulic oil from the hydraulic pump flows through the three-position four-way manual reversing valve, and drives the hydraulic cylinder to work, so as to further drive the lining board to work. Therefore, the gap between the lining board and an upper hammer head of the rotor can be adjusted; the structure is simple; the adjusting is fast and convenient; the labor intensity is reduced; the production efficiency is improved effectively.
Description
Technical field
The utility model belongs to the mining machinery technical field, relates in particular to the broken broken lash adjusting device of a kind of counterattack.
Background technology
Counterattack is broken in order to guarantee crushing effect, the gap of rotor upper ram and liner plate is changeless in principle, but, counterattack is broken in the course of the work, epitrochanterian tup and liner plate all can produce wearing and tearing in shattering process, after wearing and tearing, will cause the gap of tup and liner plate to become large, in order not affect crushing effect, to adjust the gap of tup and liner plate, present stage, means used were, on liner plate, were connected with leading screw, by the rotational lead screw people for adjusting, this adjustment mode complexity and labor intensive, and then affect production efficiency; In the time of can not guaranteeing that simultaneously horizontally disposed two leading screws drive the liner plate action, it is consistent that tup and the gap between liner plate are adjusted.
The utility model content
The purpose of this utility model is to provide a kind of counterattack to break broken lash adjusting device, and labor intensive while adjusting with the broken broken gap of counterattack that solves prior art and provide is adjusted numerous and diversely, causes the problem of production efficiency reduction.
for solving the problems of the technologies described above, the technical solution of the utility model is: the broken broken lash adjusting device of counterattack, comprise the liner plate that is arranged at the broken rotor periphery of described counterattack, described liner plate one end is articulated on the broken body of described counterattack, the piston rod of other end connecting fluid cylinder pressure, described hydraulic cylinder is by 3-position 4-way hand-operated direction valve connecting fluid press pump, the oil-in of described 3-position 4-way hand-operated direction valve connects described hydraulic pump, the oil return opening of described 3-position 4-way hand-operated direction valve connects fuel tank, between described hydraulic pump and described fuel tank, be provided with the overflow valve for the described hydraulic cylinder of overload protection, between described fuel tank and described hydraulic pump, be provided with filter.
As a kind of improvement, each described liner plate connects two described hydraulic cylinders, and two described hydraulic cylinders all act on the same side of described liner plate and the actuator port of two described hydraulic cylinders is arranged in parallel.
As further improvement, the rodless cavity of described hydraulic cylinder connects accumulator.
As further improving, connect on the oil circuit of two actuator ports of described 3-position 4-way hand-operated direction valve on the oil circuit with the oil-in that is connected described 3-position 4-way hand-operated direction valve and be equipped with the first hand stop valve.
As further improving, the rod chamber of described hydraulic cylinder connects described fuel tank by an oil return branch road, and described oil return branch road is provided with the second hand stop valve.
owing to having adopted technique scheme, the beneficial effects of the utility model are: because the broken broken lash adjusting device of counterattack comprises the liner plate that is arranged at the broken rotor periphery of counterattack, this liner plate one end is articulated on the broken body of counterattack, the piston rod of other end connecting fluid cylinder pressure, this hydraulic cylinder is by 3-position 4-way hand-operated direction valve connecting fluid press pump, the oil-in connecting fluid press pump of this 3-position 4-way hand-operated direction valve, the oil return opening of this 3-position 4-way hand-operated direction valve connects fuel tank, between this hydraulic pump and fuel tank, be provided with the overflow valve for the overload protection hydraulic cylinder, between this fuel tank and hydraulic pump, be provided with filter.Thereby from the hydraulic pump hydraulic oil out 3-position 4-way hand-operated direction valve of flowing through, enter simultaneously hydraulic cylinder, drive the hydraulic cylinder action, and then drive the liner plate action, realize the adjustment of tup and liner plate gap, simple in structure, adjust quick and convenient, reduce labour intensity, effectively improved production efficiency.
Because each liner plate connects two hydraulic cylinders, two hydraulic cylinders all act on the same side of liner plate and the actuator port of two hydraulic cylinders is arranged in parallel.While having guaranteed that two hydraulic cylinders move simultaneously, it is consistent that the gap between tup and liner plate is adjusted.
Because the rear end oil circuit of hydraulic cylinder is provided with accumulator, not only played cushioning effect, storage power simultaneously, the fast moving while realizing again adjusting.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the hydraulic schematic diagram of the utility model embodiment;
In figure, the 1-liner plate; The 2-hydraulic cylinder; 3-3-position 4-way hand-operated direction valve; The 4-rotor; The 5-tup; The 6-hydraulic pump; The 7-fuel tank; The 8-overflow valve; The 9-filter; The 10-accumulator; 11-the first hand stop valve; 12-the second hand stop valve; 13-the 3rd hand stop valve.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
as Fig. 1, shown in Fig. 2 and Fig. 3 are common, the broken broken lash adjusting device of this counterattack comprises the liner plate 1 that is arranged at broken rotor 4 peripheries of counterattack, these liner plate 1 one ends are articulated on the broken body of counterattack, the piston rod of other end connecting fluid cylinder pressure 2, this hydraulic cylinder 2 is by 3-position 4-way hand-operated direction valve 3 connecting fluid press pumps 6, the oil-in connecting fluid press pump 6 of this 3-position 4-way hand-operated direction valve 3, the oil return opening of this 3-position 4-way hand-operated direction valve 3 connects fuel tank 7, between this hydraulic pump 6 and fuel tank 7, be provided with the overflow valve 8 for overload protection hydraulic cylinder 2, between this fuel tank 7 and hydraulic pump 6, be provided with filter 9, 2, two hydraulic cylinders 2 of each liner plate 1 two hydraulic cylinder of connection all act on the same side of liner plate 1 and the actuator port of two hydraulic cylinders 2 is arranged in parallel, and the rodless cavity of this hydraulic cylinder 2 connects accumulator 10.
Connect on the oil circuit of two actuator ports of 3-position 4-way hand-operated direction valve 3 on the oil circuit with the oil-in that is connected 3-position 4-way hand-operated direction valve 3 and be equipped with the first hand stop valve 11; The rod chamber of this hydraulic cylinder 2 connects fuel tank 7 by an oil return branch road, and this oil return branch road is provided with the second hand stop valve 12.
This liner plate 1 is provided with two on counterattack is broken, on each liner plate 1, all be connected with the broken broken lash adjusting device of this counterattack and all be communicated with same hydraulic pump 6, between the 3-position 4-way hand-operated direction valve 3 in this hydraulic pump 6 and the broken broken lash adjusting device of each counterattack, being equipped with the 3rd hand stop valve 13.
For the ease of understanding, the following operation principle that has provided the counterattack broken broken lash adjusting device that the utility model provides:
when regulating the gap of 1 of tup 5 and liner plate, first hand stop valve 11 relevant to this liner plate 1 opened, the 3rd hand stop valve 13 between this hydraulic pump 6 and 3-position 4-way hand-operated direction valve 3 is opened, the second hand stop valve 12 is opened, the hydraulic oil that flows out from hydraulic pump 6 enters two hydraulic cylinders 2 that connect this liner plate 1 simultaneously through 3-position 4-way hand-operated direction valve 3, driving two hydraulic cylinders 2 moves simultaneously, and then drive liner plate 1 action, realize the adjustment of rotor 4 upper rams 5 and liner plate 1 gap, unnecessary hydraulic oil flows back to fuel tank 7 by the second hand stop valve 12, during for fear of the loss of energy and work, play cushioning effect, the fast moving while realizing again adjusting simultaneously, the rodless cavity of this hydraulic cylinder 2 is connected with accumulator 10.Adopt this counterattack to break broken lash adjusting device, realized the rapid adjustment of tup 5 with liner plate 1 gap, simple in structure, easy to operate, reduced labour intensity, effectively improved production efficiency.
The broken broken lash adjusting device of the counterattack that the utility model provides comprises the liner plate 1 that is arranged at broken rotor 4 peripheries of counterattack; these liner plate 1 one ends are articulated on the broken body of counterattack; the piston rod of other end connecting fluid cylinder pressure 2; this hydraulic cylinder 2 is by 3-position 4-way hand-operated direction valve 3 connecting fluid press pumps 6; the oil-in connecting fluid press pump 6 of this 3-position 4-way hand-operated direction valve 3; the oil return opening of this 3-position 4-way hand-operated direction valve 3 connects fuel tank 7; between this hydraulic pump 6 and fuel tank 7, be provided with the overflow valve 8 for overload protection hydraulic cylinder 2, between this fuel tank 7 and hydraulic pump 6, be provided with filter 9.Thereby through 3-position 4-way hand-operated direction valve 3, enter from the hydraulic oil that hydraulic pump 6 flows out the hydraulic cylinder 2 that connects this liner plate 1, drive hydraulic cylinder 2 actions, and then drive liner plate 1 action, realize the adjustment of rotor 4 upper rams 5 and liner plate 1 gap, realized the rapid adjustment of tup 5 with liner plate 1 gap, simple in structure, easy to operate, reduce labour intensity, effectively improved production efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. broken lash adjusting device is broken in counterattack, comprise the liner plate that is arranged at the broken rotor periphery of described counterattack, it is characterized in that, described liner plate one end is articulated on the broken body of described counterattack, the piston rod of other end connecting fluid cylinder pressure, described hydraulic cylinder is by 3-position 4-way hand-operated direction valve connecting fluid press pump, the oil-in of described 3-position 4-way hand-operated direction valve connects described hydraulic pump, the oil return opening of described 3-position 4-way hand-operated direction valve connects fuel tank, between described hydraulic pump and described fuel tank, be provided with the overflow valve for the described hydraulic cylinder of overload protection, between described fuel tank and described hydraulic pump, be provided with filter.
2. broken lash adjusting device is broken in counterattack according to claim 1, it is characterized in that, each described liner plate connects two described hydraulic cylinders, and two described hydraulic cylinders all act on the same side of described liner plate and the actuator port of two described hydraulic cylinders is arranged in parallel.
3. the broken broken lash adjusting device of counterattack according to claim 2, is characterized in that, the rodless cavity of described hydraulic cylinder connects accumulator.
4. broken lash adjusting device is broken in counterattack according to claim 3, it is characterized in that, connect on the oil circuit of two actuator ports of described 3-position 4-way hand-operated direction valve on the oil circuit with the oil-in that is connected described 3-position 4-way hand-operated direction valve and be equipped with the first hand stop valve.
5. the broken broken lash adjusting device of counterattack according to claim 4, is characterized in that, the rod chamber of described hydraulic cylinder connects described fuel tank by an oil return branch road, and described oil return branch road is provided with the second hand stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203125739U CN203291911U (en) | 2013-05-31 | 2013-05-31 | Crushing gap adjusting device for impact crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203125739U CN203291911U (en) | 2013-05-31 | 2013-05-31 | Crushing gap adjusting device for impact crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203291911U true CN203291911U (en) | 2013-11-20 |
Family
ID=49567951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203125739U Expired - Fee Related CN203291911U (en) | 2013-05-31 | 2013-05-31 | Crushing gap adjusting device for impact crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203291911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098675A (en) * | 2018-10-15 | 2018-12-28 | 西南石油大学 | A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well |
-
2013
- 2013-05-31 CN CN2013203125739U patent/CN203291911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098675A (en) * | 2018-10-15 | 2018-12-28 | 西南石油大学 | A kind of deep compensation device of passive type deep-sea liter for ocean platform drilling well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20200531 |